orthotropic
dip f

dip angle [degrees] of the plane defined by axes 1’-2’

dip-direction f

dip direction [degrees] of the plane defined by axes 1’-2’

normal v

normal direction of the planes of symmetry, (\(n_x,n_y,n_z\))

normal-x f

x-component of unit normal to plane defined by axes 2’-3’, \(n_x\)

normal-y f

y-component of unit normal to plane defined by axes 1’-3’, \(n_y\)

normal-z f

z-component of unit normal to plane defined by axes 1’-2’, \(n_z\)

poisson-12 f

Poisson’s ratio characterizing lateral contraction in direction 1’ when tension is applied in direction 2’, \({\nu}_{12}\)

poisson-13 f

Poisson’s ratio characterizing lateral contraction in direction 1’ when tension is applied in direction 3’, \({\nu}_{13}\)

poisson-23 f

Poisson’s ratio characterizing lateral contraction in direction 2’ when tension is applied in direction 3’, \({\nu}_{23}\)

shear-12 f

shear modulus in planes parallel to axes 1’-2’, \(G_{12}\)

shear-13 f

shear modulus in planes parallel to axes 1’-3’, \(G_{13}\)

shear-23 f

shear modulus in planes parallel to axes 2’-3’, \(G_{23}\)

young-1 f

Young’s modulus in direction 1’, \(E_{1}\)

young-2 f

Young’s modulus in direction 2’, \(E_{2}\)

young-3 f

Young’s modulus in direction 3’, \(E_{3}\)